KUPCEWICZ, Ewa and BENTKOWSKA, Aleksandra. Health and its significance in the modern concept of wellness and spa. Journal of Education, Health and Sport. Online. 30 December 2023. Vol. 49, no. 1, pp. 44-55. [Accessed 12 February 2026]. DOI 10.12775/JEHS.2023.49.01.003.